# Standard library header <climits>

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This header was originally in the C standard library as `<limits.h>`.

This header is part of the type support library, in particular it's part of the C numeric limits interface.

### Macros

CHAR_BIT | bit width of byte (macro constant)
MB_LEN_MAX | maximum number of bytes in a multibyte character (macro constant)
CHAR_MIN | minimum value of char (macro constant)
CHAR_MAX | maximum value of char (macro constant)
SCHAR_MINSHRT_MININT_MINLONG_MINLLONG_MIN (C++11) | minimum value of signed char, short, int, long and long long respectively (macro constant)
SCHAR_MAXSHRT_MAXINT_MAXLONG_MAXLLONG_MAX (C++11) | maximum value of signed char, short, int, long and long long respectively (macro constant)
UCHAR_MAXUSHRT_MAXUINT_MAXULONG_MAXULLONG_MAX (C++11) | maximum value of unsigned char, unsigned short, unsigned int, unsigned long and unsigned long long respectively (macro constant)

### Synopsis

    #define CHAR_BIT      /* see definition */
    #define SCHAR_MIN     /* see definition */
    #define SCHAR_MAX     /* see definition */
    #define UCHAR_MAX     /* see definition */
    #define CHAR_MIN      /* see definition */
    #define CHAR_MAX      /* see definition */
    #define MB_LEN_MAX    /* see definition */
    #define SHRT_MIN      /* see definition */
    #define SHRT_MAX      /* see definition */
    #define USHRT_MAX     /* see definition */
    #define INT_MIN       /* see definition */
    #define INT_MAX       /* see definition */
    #define UINT_MAX      /* see definition */
    #define LONG_MIN      /* see definition */
    #define LONG_MAX      /* see definition */
    #define ULONG_MAX     /* see definition */
    #define LLONG_MIN     /* see definition */
    #define LLONG_MAX     /* see definition */
    #define ULLONG_MAX    /* see definition */

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